S
M
T
W
T
F
S
31
62°
40°
1
60°
43°
2
61°
45°
3
72°
48°
4
71°
51°
5
71°
51°
6
68°
51°
7
69°
52°
8
66°
51°
9
67°
49°
10
65°
48°
11
66°
52°
12
67°
51°
13
66°
52°
14
69°
53°
15
67°
52°
16
69°
52°
17
72°
54°
18
70°
50°
19
67°
50°
20
69°
55°
21
71°
53°
22
70°
52°
23
69°
55°
24
68°
56°
25
70°
53°
26
69°
50°
27
68°
52°
28
70°
55°
29
72°
57°
30
72°
54°
1
70°
57°
2
70°
58°
3
71°
55°
4
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Belfast
Belfast's June 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 40° and 58°. The average high for June is 68° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Belfast. See also: July | August | September.
